40705093 has 8 divisors (see below), whose sum is σ = 47821536. Its totient is φ = 34158000.

The previous prime is 40705079. The next prime is 40705099. The reversal of 40705093 is 39050704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40705093 - 2¹⁷ = 40574021 is a prime.

It is a super-3 number, since 3×40705093³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40705099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142183 + ... + 142468.

It is an arithmetic number, because the mean of its divisors is an integer number (5977692).

Almost surely, 2^40705093 is an apocalyptic number.

It is an amenable number.

40705093 is a deficient number, since it is larger than the sum of its proper divisors (7116443).

40705093 is a wasteful number, since it uses less digits than its factorization.

40705093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284675.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 40705093 is about 6380.0543101137. The cubic root of 40705093 is about 343.9929831136.

Adding to 40705093 its reverse (39050704), we get a palindrome (79755797).

The spelling of 40705093 in words is "forty million, seven hundred five thousand, ninety-three".